CN210258400U - Suspension type track beam and pneumatic system - Google Patents
Suspension type track beam and pneumatic system Download PDFInfo
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- CN210258400U CN210258400U CN201921008802.1U CN201921008802U CN210258400U CN 210258400 U CN210258400 U CN 210258400U CN 201921008802 U CN201921008802 U CN 201921008802U CN 210258400 U CN210258400 U CN 210258400U
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Abstract
The utility model relates to a novel track traffic technical field, in particular to suspension type track roof beam and pneumatic system, through setting up the track roof beam that is connected with traction vehicle, the track roof beam supports aloft through the cavity stand, is provided with the division board in the track roof beam, and the division board is provided with hollow channel, sets up the traction plate on division board upper portion, sets up the wheel pair and the framework of pneumatic frame in the division board lower part, the traction plate links to each other with the wheel pair, and the cavity stand is connected with air feeder, and at air feeder during operation, compressed air gets into division board upper portion through the cavity stand, forces the traction plate to drive whole pneumatic frame and move along the length direction of hollow channel promptly track roof beam, and the track roof beam and the hollow stand of taking the division board have optimized air supply system and have arranged and the vent line design, have improved system engineering economic nature, and this kind of structure has solved the complicated space that arouses of, The problem of high boundary requirements.
Description
Technical Field
The utility model relates to a novel rail transit technical field, in particular to suspension type track roof beam to and a suspension type track roof beam pneumatic system.
Background
A pneumatic railway train is a special rail traffic system which realizes the traction driving function of vehicles by airflow thrust. The standard rail transit has no practical engineering application at home at present, and the research on the early technical reserve is blank. The transportation mode is originally proposed by Brazilian engineers Oskar in 1977 and is only successfully applied to Indonesia Yagara urban rail transit at present.
The existing pneumatic railway vehicle makes air flow enter the interior of a concrete box girder through an air supply system so as to drive a propulsion plate fixed on a bogie, thereby realizing the traction function of the vehicle. However, the prior art has the following problems: the air supply system is currently installed at the bottom of a platform or a box girder, and the arrangement of an air supply channel is complex, so that more space and material waste is caused, and the limit requirement is high; the middle part of the upper bridge floor of the box girder for bearing the pneumatic vehicle body and the bogie is provided with a hollow channel which can generate certain influence on the structural strength and stress condition of the track girder; the bridge floor exposes in the outside on the case roof beam, easily receives the influence of bad weather such as sleet, and medium such as sleet easily gets into inside the case roof beam through hollow channel, and then leads to structural damage and aggravation to accelerate.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the suspension type track beam aims at the problems that space and material waste is large and limit requirements are high due to the fact that an air supply channel is arranged in an existing pneumatic railway vehicle in a complex mode, and rain, snow and other media caused by exposure of a bridge deck on an existing box beam to the outside easily enter the box beam through a hollow channel in the middle of the bridge deck on the box beam, so that structural damage and deterioration acceleration are caused.
In order to realize the purpose, the utility model discloses a technical scheme be:
a suspension type track beam comprises a plurality of hollow upright posts arranged on the ground and a track beam supported by the hollow upright posts, wherein the track beam is communicated with the hollow upright posts, the inner space of the track beam is used for arranging a pneumatic frame on a traction vehicle, and the traction vehicle is suspended below the track beam, wherein the traction vehicle comprises the pneumatic frame and a vehicle body;
the end part of the hollow upright post is used for connecting an air supply device, and the speed of the pneumatic frame running in the track beam can be controlled by adjusting air supply frequency.
Through setting up many cavity stands and by many the track roof beam that the cavity stand supported, wherein the track roof beam with the cavity stand is the same, the other end of cavity stand is provided with air feeder, can control through adjusting air feed frequency traction vehicle is in the speed of operation in the track roof beam. Because the track beam is arranged in the half-air space, the traction vehicle moves along the track beam through the pneumatic frame of the traction vehicle by arranging the pneumatic frame in the track beam. The suspended design is that the opening for connecting the track beam with the traction vehicle is arranged below, the vehicle is arranged relative to the ground, and the traditional opening is arranged above, so that the structure can effectively avoid the medium such as rain, snow and the like from entering the track beam, slow down the damage of the medium to the track beam structure, and improve the structural safety and the operation adaptability of the vehicle in severe weather; meanwhile, the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the suspended track beam is used for replacing the structure of the traditional track beam, the arrangement of an air supply system and the design of an air duct are optimized, and the economical efficiency of system engineering is improved;
the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the arrangement of an air supply system and the design of an air duct are optimized, and the economical efficiency of system engineering is improved;
the mode of driving the vehicle to run by adopting the air flow can greatly simplify the structure of the bogie, does not need to arrange complex equipment such as a traction motor, a gear box, a braking device and the like, and greatly simplifies the structure and the dead weight of the bogie. Meanwhile, power supply systems such as a traditional contact net or a third rail are omitted, the interior lighting and signal control can be powered by a storage battery, and the engineering economy advantage is obvious.
Preferably, a partition plate is horizontally arranged in the track beam, the partition plate divides the interior of the track beam into an upper space and a lower space, the lower space of the track beam is used for arranging a framework and a wheel pair of the pneumatic frame, and the upper space of the track beam is used for arranging a traction plate and is matched with the cross section of the upper space of the track beam in shape;
the partition plate is provided with a hollow channel, and the hollow channel is used for arranging a connecting rod for connecting the traction plate and an axle on the wheel pair.
Preferably, an exhaust valve and a partition valve for blocking the circulation of compressed air are arranged between the track beam and each hollow upright, and the traction and the braking of the traction vehicle can be realized by opening and closing the exhaust valve and the partition valve which are different.
Preferably, the hollow upright is a hollow steel upright.
A suspension type track beam pneumatic system comprises the suspension type track beam and a traction vehicle connected with the track beam, wherein the pneumatic frame on the traction vehicle further comprises a suspension device and a swing bolster, one end of the suspension device is hinged on the swing bolster, and the other end of the suspension device is fixed on a vehicle body of the traction vehicle;
the swing bolster is arranged on the framework.
Through setting up the track roof beam that is connected with traction vehicle, the track roof beam supports in the air through the cavity stand, be provided with the division board in the track roof beam, the division board is provided with hollow channel, sets up the traction plate in track roof beam upper portion space, sets up the wheel pair and the framework of pneumatic frame in track roof beam lower part space, and connecting rod on the traction plate passes hollow channel with axletree on the wheel pair links to each other, division board upper portion with the cavity stand communicates with each other, the tip of cavity stand is used for connecting air feeder, through this kind of structure, when air feeder worked, compressed air got into division board upper portion through the cavity stand, forces the traction plate to move along hollow channel promptly the length direction of track roof beam, the division board passes through the connecting rod and connects the axletree, drives whole pneumatic frame and moves along the length direction of track roof beam, and the shape of traction plate with division, the air-tight device ensures good air tightness, the internal space of the traditional suspension type monorail track beam is divided into an upper part and a lower part through the partition plate, and the pneumatic frame with the traction plate is placed in the track beam, so that the derailment prevention performance of the pneumatic frame is improved; meanwhile, the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the arrangement of an air supply system and the design of an air duct are optimized, and the economical efficiency of system engineering is improved; the suspended design is that the opening for connecting the track beam with the traction vehicle is arranged below, and compared with the traditional opening arranged above, the suspended design can effectively avoid the medium such as rain, snow and the like from entering the track beam, slow down the damage of the medium to the track beam structure, and improve the structural safety and the operation adaptability of the vehicle in severe weather;
the mode of driving the vehicle to run by adopting the air flow can greatly simplify the structure of the bogie, does not need to arrange complex equipment such as a traction motor, a gear box, a braking device and the like, and greatly simplifies the structure and the dead weight of the bogie. Meanwhile, power supply systems such as a traditional contact net or a third rail are omitted, the interior lighting and signal control can be powered by a storage battery, and the engineering economy advantage is obvious.
Preferably, the pneumatic frame further comprises a suspension device, and the swing bolster is arranged on the framework through the suspension device.
Preferably, the pneumatic frame further comprises at least 4 guide wheels, the frame comprises 4 end corners, and each end corner is provided with at least 1 guide wheel.
Preferably, the hollow channel is provided with a sealing device.
Preferably, the sealing device is a rubber block bidirectional overlapping device, rubber blocks are arranged on two sides of the hollow channel, and the rubber blocks on the two sides are overlapped in a bidirectional mode and connected with the connecting rod to prevent air leakage.
Preferably, the guide wheels and the running wheels on the wheel pair are made of rubber.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
through setting up the track roof beam that is connected with the traction vehicle, the track roof beam supports in the air through the cavity stand, be provided with the division board in the track roof beam, the division board is provided with hollow channel, sets up the traction plate on division board upper portion, sets up the wheel pair and the framework of pneumatic frame in division board lower part, and connecting rod on the traction plate passes the hollow channel with axletree on the wheel pair links to each other, division board upper portion with the cavity stand communicates with each other, the tip of cavity stand is used for connecting air feeder, through this kind of structure, when air feeder works, compressed air gets into division board upper portion through the cavity stand, forces the traction plate to move along the hollow channel, the length direction of track roof beam is followed to the hollow channel, the division board passes through the connecting rod and connects the axletree, drives whole pneumatic frame and moves along the length direction of track roof beam, the air-tight device ensures good air tightness, the internal space of the traditional suspension type monorail track beam is divided into an upper part and a lower part through the partition plate, and the pneumatic frame with the traction plate is placed in the track beam, so that the derailment prevention performance of the pneumatic frame is improved;
the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the arrangement of an air supply system and the design of an air duct are optimized, and the economical efficiency of system engineering is improved; the suspended design is that the opening for connecting the track beam with the traction vehicle is arranged below, and compared with the traditional opening arranged above, the suspended design can effectively avoid the medium such as rain, snow and the like from entering the track beam, slow down the damage of the medium to the track beam structure, and improve the structural safety and the operation adaptability of the vehicle in severe weather;
the mode of driving the vehicle to run by adopting the air flow can greatly simplify the structure of the bogie, does not need to arrange complex equipment such as a traction motor, a gear box, a braking device and the like, and greatly simplifies the structure and the dead weight of the bogie. Meanwhile, power supply systems such as a traditional contact net or a third rail are omitted, the interior lighting and signal control can be powered by a storage battery, and the engineering economy advantage is obvious.
Drawings
FIG. 1 is a three-dimensional schematic view of a monolithic structure;
FIG. 2 is a side view of the overall structure;
FIG. 3 is a schematic half-section view of a track beam;
FIG. 4 is a three-dimensional schematic view of a track beam;
FIG. 5 is a cross-sectional schematic view of a track beam;
FIG. 6 is a schematic top view of a hollow upright;
FIG. 7 is a schematic view of the overall structure of the pneumatic frame;
FIG. 8 is a schematic view of the overall structure of the pneumatic frame without the traction plate;
FIG. 9 is a front view of the pneumatic frame;
FIG. 10 is a side view of the pneumatic frame;
FIG. 11 is a top view of the pneumatic stand.
The labels in the figure include: vehicle body 1, pneumatic frame 2, hollow upright 3, track beam 4, air supply device 5, frame 201, bolster 202, suspension device 203, running wheels 204, guide wheels 205, suspension device 206, traction plate 207, connecting rod 208, axle 209, upright vent 301, track beam vent 401, exhaust valve 402, partition valve 403, partition plate 404, and air supply duct 501.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The specific embodiment is as follows, as shown in fig. 1, a suspension type pneumatic traction vehicle and track beam 4 system comprises a track beam 4 connected with a traction vehicle, wherein the whole track beam 4 is supported in the air by hollow upright posts 3 arranged at equal intervals;
the end part of the hollow upright post 3 is used for connecting an air supply device 5, the speed of the vehicle is controlled by adjusting the air supply frequency, and the hollow upright post 3 which is not connected with the air supply device 5 is sealed at the position which can be connected with the air supply device 5;
the hollow upright column 3 is a hollow steel upright column;
an exhaust valve 402 and a partition valve 403 for blocking the circulation of compressed air are arranged between the track beam 4 and each hollow upright 3, and the traction and the braking of the traction vehicle can be realized by opening and closing the different exhaust valve 402 and the different partition valve 403.
The compressed air is not allowed to pass through when the partition valve 403 is in the open state, and the compressed air is allowed to pass through when the partition valve 403 is in the closed state.
The method for realizing traction and braking specifically comprises the following steps:
in this embodiment, two air supply devices 5 are arranged in a section of operation area of the towing vehicle, that is, one air supply device 5 is arranged at each of the operation starting point and the operation ending point of the section of operation area, that is, the two air supply devices 5 are arranged at the rear and the front of the towing vehicle respectively, the partition valve 403 and the exhaust valve 402 at the operation starting point are a first partition valve and a first exhaust valve, the partition valve 403 and the exhaust valve 402 at the operation ending point are a second partition valve and a second exhaust valve, and the partition valve 403 and the exhaust valve 402 between the operation starting point and the operation ending point are other partition valves and other exhaust valves.
Traction working conditions are as follows:
in the normal running process of the towing vehicle, the first partition valve and the first exhaust valve are in a closed state, the second partition valve and the second exhaust valve are in an open state, other exhaust valves and other partition valves in front of the towing vehicle are in an open state, and other exhaust valves and other partition valves in the rear of the towing vehicle are in a closed state. By opening the air supply device 5 behind the towing vehicle and closing the air supply device 5 in front of the towing vehicle, the towing plate 207 receives the forward-running acting force, thereby driving the towing vehicle to enter the towing condition.
Under the braking working condition:
during braking, the first exhaust valve and the first partition valve are in an open state, the second exhaust valve and the second partition valve are in a closed state, other exhaust valves and other partition valves in front of the traction vehicle are in a closed state, other exhaust valves and other partition valves in rear of the traction vehicle are in an open state, and braking of the pneumatic vehicle can be achieved through air compression between the traction plate 207 and the second partition valve.
The air supply device 5 can adopt a centrifugal fan to convert electric energy into aerodynamic force, and the speed of the vehicle can be controlled by adjusting the frequency in the air supply process.
The air supply device 5 can be installed underground or on the ground, in this embodiment, the air supply device 5 is arranged at a lower position and is directly connected with the bottom of the hollow upright 3 through the air supply pipeline 501, and the air supply device 5 can directly send the supplied air from the hollow upright 3 to the upper part of the partition plate 404 of the track beam 4. The upper top surface of the box-shaped track beam 4 is provided with an exhaust valve 402 and a separation valve 403 at equal intervals to control the flow direction of the air flow, and the air flow is uniformly controlled by vehicle signals.
As shown in fig. 2, fig. 2 is enlarged by 1 for the convenience of understanding the fitting relationship of the towing vehicle and the track beam 4.
A partition plate 404 is arranged in the track beam 4, the pneumatic frame 2 is arranged in the track beam 4, wherein the pneumatic frame 2 is a part of the traction vehicle, the traction vehicle further comprises a vehicle body 1, and the vehicle body 1 is connected below the pneumatic frame 2.
The partition plate 404 in the track beam 4 is provided with a hollow channel, the space above the partition plate 404, namely the space below the track beam 4, is provided with a traction plate 207 without fear, the space below the partition plate 404, namely the space below the track beam 4 is provided with a wheel pair and a framework 201 of the pneumatic frame 2, a connecting rod 208 on the traction plate 207 passes through the hollow channel to be connected with an axle 209 on the wheel pair, and the shape of the traction plate 207 is matched with the cross section of the space above the track beam 4; the traction plate 207 is kept parallel to the cross section of the track beam 4, and the wheel pairs comprise axles 209 and running wheels 204. The specific pneumatic carriage 2 is illustrated in figures 7 and 8.
The upper part of the partition plate 404 is communicated with the hollow upright post 3, the end part of the hollow upright post 3 is used for connecting an air supply device 5, and the speed of the vehicle is controlled by adjusting the air supply frequency. The specific arrangement of the communication is shown in fig. 4 and 6.
In order to prevent the air leakage of the upper space of the partition plate 404 inside the track beam 4, special air leakage prevention treatment is required to be performed at the position of the hollow channel, a rubber block bidirectional overlapping mode can be adopted, namely a sealing device is arranged on the hollow channel, the sealing device is a rubber block bidirectional overlapping device, rubber blocks are arranged on two sides of the hollow channel, and the rubber blocks on the two sides are connected with the connecting rod 208 through bidirectional overlapping;
as shown in fig. 3, the partition valve 403 is in a half-open state, and the partition valve 403 is opened parallel to the drawing plate 207, so that the partition valve 403 can block the flow of the compressed air, and when the partition valve 403 is closed, the moving plate on the partition valve 403 is retracted, and the moving plate is perpendicular to the drawing plate 207.
In the figure, a traction vehicle is arranged in a track beam 4, the traction vehicle comprises two pneumatic frames 2, the two pneumatic frames 2 drive one vehicle body 1 to move, and the number of the pneumatic frames 2 can be more than two; the hollow upright 3 in the middle is connected to a gas supply device 5 through a gas supply pipe 501, and the exhaust valve 402 and the partition valve 403 behind the gas supply device 5 are the first exhaust valve and the first partition valve in the explanation of fig. 1.
The system mainly utilizes the air supply device 5 to blow compressed air into the track beam 4 through the hollow upright post 3, and the air acting force drives the traction plate 207 in the track beam 4, thereby realizing the traction function of the vehicle. The mode of driving the vehicle to run by adopting the air flow can simplify the structure of the pneumatic frame 2 to a great extent, does not need to arrange complex equipment such as a traction motor, a gear box, a braking device and the like, and greatly simplifies the structure and the dead weight of the bogie. Meanwhile, power supply systems such as a traditional contact net or a third rail are omitted, the interior lighting and signal control can be powered by a storage battery, and the engineering economy advantage is obvious.
As shown in fig. 4, the hollow upright 3 connected with the gas supply device 5 is communicated with the track beam 4, that is, the track beam 4 is provided with track beam vent holes 401.
As shown in fig. 5, the track beam 4 is a box-shaped track beam 4 with an open bottom, and a partition plate 404 with a hollow channel is horizontally arranged inside the track beam 4, and the hollow channel is located at the longitudinal center line of the track beam 4. The traction plate 207 of the pneumatic rack 2 is partially disposed on the upper portion of the partition plate 404, and the other portion of the pneumatic rack 2 is disposed on the lower portion of the partition plate 404.
As shown in fig. 6, the hollow upright 3 connected with the gas supply device 5 is communicated with the track beam 4, that is, the hollow upright 3 is provided with an upright vent 301.
As shown in fig. 7 and 8, fig. 7 shows the pneumatic frame 2 with the traction plate 207, i.e., the powered pneumatic frame 2, and fig. 8 shows the pneumatic frame 2 without the traction plate 207, i.e., the non-powered pneumatic frame 2, which is the powered pneumatic frame 2 in this embodiment.
As shown in fig. 9, 10 and 11, which are two-dimensional views of the three-dimensional structure diagram of the air frame 2 of fig. 7, the specific structural relationship of the air frame 2 shown in fig. 7, 9, 10 and 11 is as follows:
the main parts (including the frame 201, the guide wheels 205, the walking wheels 204, the axle 209, the suspension device 203, the suspension device 206 and the swing bolster 202) of the pneumatic frame 2 are arranged below a partition plate 404 in the track beam 4, the swing bolster 202 is arranged above the middle part of the frame 201, the suspension device 203 is arranged between the axle 209 and the frame 201, and whether other auxiliary suspension devices 203 such as various hydraulic shock absorbers are adopted between the axle 209 and the frame 201 can be selected according to actual conditions. The suspension device 203 can effectively attenuate the vibration of the pneumatic frame 2, thereby ensuring the running stability of the vehicle. The top of the suspension device 206 is hinged to the center of the bolster 202 and can rotate around the vertical direction relative to the bolster 202, and the bottom of the suspension device 206 is connected to the vehicle body 1 below the track beam 4. Each pneumatic frame 2 has four traveling wheels 204, which are vertically arranged at two ends of an axle 209 and travel on an inner bottom plate of a box-shaped track beam 4, thereby playing a role in supporting and driving the pneumatic frame 2 and the vehicle body 1. The guide wheels 205 are horizontally installed at four corners of the frame 201, and act on the inner side plate of the box-shaped track beam 4, so that the curve passing performance of the vehicle can be ensured in a curve section. The walking wheels 204 and the guide wheels 205 can be rubber wheels, and have the characteristics of low vibration and noise, strong climbing capability and the like. The structural arrangement of the air frame 2 is similar to that of a conventional rolling stock bogie, and other specific connection schemes or embodiments are not described in detail.
The diameter of the connecting rod 208 needs to be checked and designed according to the air thrust, and the width of the hollow channel of the partition plate 404 needs to be matched with the diameter of the connecting rod 208.
It should be noted that, in the scheme shown in the figure, simplified expressions are adopted for the structures (such as the connection of the framework 201 with the walking wheels 204 and the guide wheels 205) related to the prior conventional technology, but the understanding of the actual connection mode is not influenced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A suspension type track beam is characterized by comprising a plurality of hollow upright posts (3) arranged on the ground and a track beam (4) supported by the hollow upright posts (3), wherein the track beam (4) is communicated with the hollow upright posts (3), the inner space of the track beam (4) is used for arranging a pneumatic frame (2) on a traction vehicle, and the traction vehicle is suspended below the track beam (4), wherein the traction vehicle comprises the pneumatic frame (2) and a vehicle body (1);
the end part of the hollow upright post (3) is used for connecting an air supply device (5), and the air supply frequency can be adjusted to control the speed of the pneumatic frame (2) in the track beam (4).
2. Suspension rail beam according to claim 1, characterized in that a divider plate (404) is horizontally arranged in the rail beam (4), the divider plate (404) divides the interior of the rail beam (4) into an upper space and a lower space, the lower space of the rail beam (4) is used for arranging the frame (201) and wheel set of the pneumatic frame (2), the upper space of the rail beam (4) is used for arranging a traction plate (207) and the cross section of the upper space of the rail beam (4) is adapted to the shape of the traction plate (207);
the divider plate (404) is provided with hollow channels for the provision of connecting rods (208) connecting the traction plate and the axles (209) on the wheel pairs.
3. Suspension rail beam according to claim 2, characterized in that between the rail beam (4) and each hollow upright (3) there are arranged an exhaust valve (402) and a partition valve (403) for blocking the passage of compressed air, the traction and braking of the towing vehicle being possible by switching the different exhaust valves (402) and partition valves (403).
4. Suspension rail beam according to claim 3, characterized in that the hollow upright (3) is a hollow steel upright.
5. Suspension rail beam pneumatic system, characterized in that it comprises a suspension rail beam according to any of claims 2-4, and a traction vehicle connected to the rail beam (4), the pneumatic frame (2) of the traction vehicle further comprising a suspension device (206) and a bolster (202), one end of the suspension device (206) being hinged to the bolster (202) and the other end being fixed to the body (1) of the traction vehicle;
the swing bolster (202) is arranged on the framework (201).
6. Suspension rail beam pneumatic system according to claim 5, characterized in that the pneumatic frame (2) further comprises a suspension device (203), the bolster (202) being arranged on the frame (201) by means of the suspension device (203).
7. Suspension rail beam pneumatic system according to claim 6, characterized in that the pneumatic frame (2) further comprises at least 4 guide wheels (205), the frame (201) comprising 4 end corners, each end corner being provided with at least 1 guide wheel (205).
8. The suspended track beam pneumatic system of claim 7, wherein the hollow channel is provided with a sealing device.
9. The pneumatic system of claim 8, wherein the sealing device is a rubber block bidirectional overlapping device, and rubber blocks are arranged on two sides of the hollow channel and are connected with the connecting rod (208) through bidirectional overlapping of the rubber blocks on the two sides to prevent air leakage.
10. Suspension rail beam pneumatic system according to claim 9, characterized in that the guide wheels (205) and the running wheels (204) on the wheel pairs are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921008802.1U CN210258400U (en) | 2019-07-01 | 2019-07-01 | Suspension type track beam and pneumatic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921008802.1U CN210258400U (en) | 2019-07-01 | 2019-07-01 | Suspension type track beam and pneumatic system |
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| CN210258400U true CN210258400U (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182230A (en) * | 2019-07-01 | 2019-08-30 | 中铁二院工程集团有限责任公司 | Suspension type rail beam and pneumatic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182230A (en) * | 2019-07-01 | 2019-08-30 | 中铁二院工程集团有限责任公司 | Suspension type rail beam and pneumatic system |
| CN110182230B (en) * | 2019-07-01 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Suspended track beam and pneumatic system |
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